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Finding the Fourth Proportional to 334,405.50, 501,624.69 and 134,698.86

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Solution

The fourth proportional to 334,405.50, 501,624.69 and 134,698.86 is: 202,054.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,405.50 : 501,624.69 = 134,698.86 : x
  2. Step 2: Convert to fraction form
    334,405.50/501,624.69 = 134,698.86/x
  3. Step 3: Cross multiply
    334,405.50x = 501,624.69 × 134,698.86
  4. Step 4: Simplify right side
    334,405.50x = 67,568,273,890.85
  5. Step 5: Solve for x
    x = 67,568,273,890.85/334,405.50
  6. Step 6: Final answer
    x = 202,054.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.